Sewing machine



FIG. 1 is a perspective view of a sewing machine;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is a rear view thereof.

The broken lines depict environmental subject matter only and form nopart of the claimed design. The bottom view depicts unclaimed subjectmatter only and thus is not shown.

CLAIM The ornamental design for a sewing machine, as shown anddescribed.